ATA_BUILD_RW_TF(9) libata Core Internals ATA_BUILD_RW_TF(9)

NAME ata_build_rw_tf - Build ATA taskfile for given read/write request

SYNOPSIS int ata_build_rw_tf(struct ata_taskfile * tf, struct ata_device * dev, u64 block, u32 n_block, unsigned int tf_flags, unsigned int tag);

ARGUMENTS tf Target ATA taskfile

dev ATA device tf belongs to

block Block address

n_block Number of blocks

tf_flags RW/FUA etc...

tag tag

LOCKING None.

Build ATA taskfile tf for read/write request described by block, n_block, tf_flags and tag on dev.

RETURNS 0 on success, -ERANGE if the request is too large for dev, -EINVAL if the request is invalid.

AUTHOR Jeff Garzik Author.